| noun | an occurrence of control or strength weakening “the relaxation of requirements” |
| noun | the act of making something less tight |
| verb | make loose or looser “loosen the tension on a rope” |
| verb | make less severe or strict “The government relaxed the curfew after most of the rebels were caught” |
| verb | become less severe or strict “The rules relaxed after the new director arrived” |
| verb | disentangle and raise the fibers of “tease wool” |
| verb | cause to become loose “undo the shoelace” |
| verb | make less dense “loosen the soil” |
| verb | become loose or looser or less tight “The noose loosened” |
| relax | verb | make less active or fast |
| loosen | verb | make loose or looser |
| slacken | verb | make slack as by lessening tension or firmness |
| loosening | noun | an occurrence of control or strength weakening |
| relaxation | noun | the act of making less strict |
| teaser | noun | a device for teasing wool |
| untier | noun | a person who unfastens or unwraps or opens |
| untying | noun | loosening the ties that fasten something |
| undoer | noun | a person who unfastens or unwraps or opens |
| undoing | noun | loosening the ties that fasten something |